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James Sweeney — 1940 US Census Record
Model Tree available1940 United States Federal Census · Lucas-County, Ohio
Our Model Tree links this James Sweeney across the 1920, 1930 and 1940 US Censuses in Lucas-County, Ohio (XGBoost, ~Confirmed), with identified parents Floyd & Grace — first a head (b.~1911), then head of a 4-person household.
Age 29
b. ~1911
Male
Head
Born: Michigan
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Lucas-County, Ohio |
| Surname | Sweeney |
| Given Name | James A |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Michigan |
| 1935 Residence (City) | Toledo |
| 1935 Residence (County) | Lucas |
| Additional Details | |
| Occupation | Accountant |
| Industry | Glass factory |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 3300 |
| Highest Grade | C 3 |
| 1935 Residence | Ohio |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Occupation | Accountant |
| Township / Ward | Waterville |
| Est. Birth Year | ~1911 |
Household Members
Census records only state relationship to the household head.
Pairwise kinship is derived (~90–95% accurate), not recorded.
Step/blended families and boarders can break it.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| James Sweeney | Head | — | 29 | ~1911 |
| James Sweeney | Son | — | 5 | ~1935 |
| William Sweeney | Son | — | 4 | ~1936 |
| Gertrude Sweeney | Spouse | — | 29 | ~1911 |
Census Appearances
1920
Lucas, Ohio
Son, age 9
Lucas, Ohio · implied b. ~1911 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sweeny |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1930
Lucas, Ohio
Son, age 19
Lucas, Ohio · implied b. ~1911 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sweeney |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Michigan |
| Occupation | Student |
| Industry | College |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Lucas-County, Ohio
Head, age 29
Lucas-County, Ohio · implied b. ~1911 — 4 household members
| Surname | Sweeney |
| Given Name | James A |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Michigan |
| 1935 Residence (City) | Toledo |
| 1935 Residence (County) | Lucas |
| Occupation | Accountant |
| Industry | Glass factory |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 3300 |
| Highest Grade | C 3 |
| 1935 Residence | Ohio |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
Model Tree
An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Our Model Tree links James Sweeney across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Floyd Sweeney (~0.92 confidence) and mother Grace Sweeney (~0.92 confidence) and father Alfred Sweeny (~0.92 confidence) and mother Grace Sweeny (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Floyd Sweeney
b. ~1882
Source father
● Household
· direct · ~0.92
Mother
Grace Sweeney
b. ~1886
Source mother
● Household
· direct · ~0.92
Father
Alfred Sweeny
b. ~1887
Source father
● Household
· direct · ~0.92
Mother
Grace Sweeny
b. ~1887
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Sweeney
Head · 1940 · age 29 · b. ~1911 · Ohio
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Lucas-County, Ohio
Open full size
1940 US Federal Census — Lucas-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03106-00697)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | James A Sweeney THIS PERSON | 29 | Head | Accountant | Michigan |
| 42 | Gertrude A Sweeney | 29 | Wife | — | Ohio |
| 43 | James D Sweeney | 5 | Son | — | Ohio |
| 44 | William T Sweeney | 4 | Son | — | Ohio |
| 45 | Paul Waite | 52 | Head | Train Dispatcher | Michigan |
| 46 | Bertha Waite | 53 | Wife | — | Michigan |
| 47 | Marie Waite | 19 | Daughter | — | Ohio |
| 48 | Mary Waite | 11 | Daughter | — | Ohio |
| 49 | Cornelia Beatty | 68 | Head | — | New Jersey |
| 50 | Whitfield Beatty | 39 | Son | Auditor | New Jersey |
| 51 | Katherine Beatty | 28 | Daughter | — | Ohio |
| 52 | Edwin Thurman | 28 | Head | Traveling Salesman | New Jersey |
| 53 | Eleanor Thurman | 27 | Wife | — | Ohio |
| 54 | Sarah Thurman | 3 | Daughter | — | Ohio |
| 55 | Oscar Dewson | 31 | Head | Foreman | Ohio |
| 56 | Goldie Dewson | 29 | Wife | — | Ohio |
| 57 | Madonna Dewson | 10 | Daughter | — | Ohio |
| 58 | Robert Dewson | 4 | Son | — | Ohio |
| 59 | Arthur W Greer | 46 | Head | Traveling Salesman | Indiana |
| 60 | Ruth Greer | 44 | Wife | — | Ohio |
| 61 | Arthur C Greer | 18 | Son | — | Indiana |
| 62 | Lawrence Duncan | 62 | Head | Stationary Engineer | Ohio |
| 63 | Nettie Duncan | 44 | Wife | — | Michigan |
| 64 | Leonard Duncan | 24 | Son | Laborer | Ohio |
| 65 | Robert Duncan | 21 | Son | — | Ohio |
| 66 | Ella May Duncan | 19 | Daughter | — | Ohio |
| 67 | Anna Bell Duncan | 16 | Daughter | — | Ohio |
| 68 | Waldo Witter | 36 | Head | Laborer | Ohio |
| 69 | Irene Witter | 33 | Wife | — | Ohio |
| 70 | Laura Marie Witter | 13 | Daughter | — | Ohio |
| 71 | Merle Van Fleet | 58 | Head | Postmaster | Ohio |
| 72 | Anna Van Fleet | 58 | Wife | — | Ohio |
| 73 | Franklin Van Fleet | 31 | Son | Investigator | Ohio |
| 74 | Gertrude Van Fleet | 32 | Daughter in law | — | Ohio |
| 75 | James Van Fleet | 2 | Son | — | Ohio |
| 76 | Elizabeth Van Fleet | 12 | Daughter in law | — | Ohio |
| 77 | Charles Downard | 47 | Head | Crusher Operator | Ohio |
| 78 | Nina Downard | 41 | Wife | — | Ohio |
| 79 | Dorothy Downard | 17 | Daughter | — | Ohio |
| 80 | Edward Downard | 14 | Son | — | Ohio |
Pedigree Summary
James
Gen 1 · 4 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.
Source: National Archives and Records Administration (NARA)